Finding the Fourth Proportional to 178,237.97, 267,343.50 and 51,879.20
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Solution
The fourth proportional to 178,237.97, 267,343.50 and 51,879.20 is: 77,814.88
Step by Step Solution
- Step 1: Write the proportion equation
178,237.97 : 267,343.50 = 51,879.20 : x - Step 2: Convert to fraction form
178,237.97/267,343.50 = 51,879.20/x - Step 3: Cross multiply
178,237.97x = 267,343.50 × 51,879.20 - Step 4: Simplify right side
178,237.97x = 13,869,566,905.20 - Step 5: Solve for x
x = 13,869,566,905.20/178,237.97 - Step 6: Final answer
x = 77,814.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.